🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.1

Radius: 12.3

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.8 AU - 0.94 AU

Year: 516 Days

Day: 8.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,559,845 km

• M1: 153,039 km (0.106 R)
• M2: 545,883 km (0.109 R)
• M3: 933,940 km (0.115 R)
• M4: 1,459,477 km (0.104 R)
• M5: 2,214,647 km (0.05 R)
• M6: 2,702,336 km (0.103 R)
• M7: 3,261,383 km (0.102 R)
• M8: 4,122,020 km (0.082 R)
• M9: 4,746,142 km (0.109 R)
• M10: 5,270,782 km (0.058 R)
• M11: 5,937,539 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249

Radius: 11.5

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.82 AU - 0.98 AU

Year: 543 Days

Day: 14.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,559,845 km

• M1: 143,165 km (0.117 R)
• M2: 812,466 km (0.12 R)
• M3: 1,250,638 km (0.109 R)
• M4: 1,666,819 km (0.11 R)
• M5: 2,299,918 km (0.087 R)
• M6: 2,845,950 km (0.051 R)
• M7: 3,311,050 km (0.06 R)
• M8: 3,684,147 km (0.036 R)
• M9: 4,435,278 km (0.076 R)

Asteroid Belt

Center: 1.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797

Radius: 14.6

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.99 AU - 2.07 AU

Year: 1839 Days

Day: 9.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,559,845 km

• M1: 181,612 km (0.106 R)
• M2: 971,937 km (0.111 R)
• M3: 1,454,390 km (0.12 R)
• M4: 1,909,318 km (0.116 R)
• M5: 2,748,412 km (0.095 R)
• M6: 3,327,057 km (0.113 R)
• M7: 3,895,080 km (0.042 R)
• M8: 5,878,897 km (0.079 R)
• M9: 7,037,533 km (0.073 R)
• M10: 8,039,988 km (0.083 R)
• M11: 9,070,568 km (0.078 R)
• M12: 9,635,000 km (0.106 R)
• M13: 10,944,879 km (0.119 R)
• M14: 12,330,455 km (0.085 R)
• M15: 12,858,535 km (0.067 R)
• M16: 14,047,539 km (0.092 R)
• M17: 16,014,751 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.3

Radius: 12.3

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.05 AU - 2.77 AU

Year: 2379 Days

Day: 14.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,559,845 km

• M1: 153,039 km (0.111 R)
• M2: 576,849 km (0.11 R)
• M3: 993,928 km (0.043 R)
• M4: 1,606,083 km (0.045 R)
• M5: 2,063,403 km (0.09 R)
• M6: 2,738,838 km (0.118 R)
• M7: 3,504,031 km (0.064 R)
• M8: 4,905,613 km (0.104 R)
• M9: 6,901,399 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.5

Radius: 9

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.95 AU - 2.99 AU

Year: 2468 Days

Day: 5.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,559,845 km

• M1: 112,348 km (0.059 R)
• M2: 1,123,630 km (0.095 R)
• M3: 2,134,911 km (0.111 R)
• M4: 2,551,840 km (0.103 R)
• M5: 3,181,947 km (0.073 R)
• M6: 3,777,795 km (0.111 R)
• M7: 4,280,893 km (0.088 R)
• M8: 5,813,373 km (0.117 R)
• M9: 6,532,939 km (0.045 R)
• M10: 12,224,240 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.2

Radius: 14.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.13 AU - 2.99 AU

Year: 2604 Days

Day: 14.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,559,845 km

• M1: 184,005 km (0.101 R)
• M2: 677,379 km (0.032 R)
• M3: 1,162,824 km (0.115 R)
• M4: 1,675,646 km (0.112 R)
• M5: 2,319,365 km (0.112 R)
• M6: 2,824,408 km (0.096 R)
• M7: 3,418,760 km (0.033 R)
• M8: 4,287,774 km (0.086 R)
• M9: 5,299,953 km (0.058 R)
• M10: 6,303,007 km (0.114 R)
• M11: 6,874,920 km (0.079 R)
• M12: 7,455,210 km (0.106 R)
• M13: 8,178,366 km (0.081 R)
• M14: 8,743,696 km (0.083 R)
• M15: 10,272,587 km (0.108 R)
• M16: 11,271,900 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.4

Radius: 12.2

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.54 AU - 2.72 AU

Year: 2712 Days

Day: 10.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,559,845 km

• M1: 153,338 km (0.064 R)
• M2: 2,279,124 km (0.113 R)
• M3: 2,691,714 km (0.116 R)
• M4: 3,973,469 km (0.079 R)
• M5: 4,797,454 km (0.078 R)
• M6: 7,469,721 km (0.037 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829

Radius: 13.4

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4 AU - 6.4 AU

Year: 7539 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,559,845 km

• M1: 170,542 km (0.055 R)
• M2: 659,577 km (0.091 R)
• M3: 1,327,532 km (0.079 R)
• M4: 2,036,326 km (0.082 R)
• M5: 2,803,763 km (0.074 R)
• M6: 3,289,208 km (0.062 R)
• M7: 5,626,974 km (0.107 R)
• M8: 6,803,262 km (0.114 R)
• M9: 7,371,884 km (0.071 R)
• M10: 8,911,096 km (0.096 R)
• M11: 9,407,612 km (0.091 R)
• M12: 10,605,292 km (0.049 R)
• M13: 11,902,306 km (0.08 R)
• M14: 12,899,675 km (0.085 R)
• M15: 13,952,245 km (0.115 R)
• M16: 15,251,503 km (0.117 R)
• M17: 16,294,499 km (0.111 R)
• M18: 17,524,044 km (0.081 R)
• M19: 18,961,829 km (0.075 R)
• M20: 19,408,080 km (0.118 R)
• M21: 20,789,317 km (0.088 R)
• M22: 28,016,390 km (0.103 R)
• M23: 29,282,138 km (0.105 R)
• M24: 30,382,580 km (0.091 R)
• M25: 34,177,279 km (0.096 R)
• M26: 35,173,302 km (0.04 R)
• M27: 35,622,095 km (0.074 R)
• M28: 36,876,025 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.2

Radius: 7.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9.19 AU - 11.29 AU

Year: 20835 Days

Day: 24.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,559,845 km

• M1: 97,538 km (0.107 R)
• M2: 649,105 km (0.071 R)
• M3: 1,090,269 km (0.117 R)
• M4: 1,487,003 km (0.119 R)
• M5: 2,412,415 km (0.083 R)
• M6: 2,844,155 km (0.069 R)
• M7: 4,137,279 km (0.087 R)
• M8: 4,395,634 km (0.12 R)
• M9: 4,664,910 km (0.12 R)
• M10: 6,143,685 km (0.047 R)
• M11: 6,869,983 km (0.103 R)
• M12: 7,440,998 km (0.095 R)
• M13: 7,781,184 km (0.099 R)
• M14: 9,942,873 km (0.031 R)
• M15: 11,720,993 km (0.092 R)
• M16: 12,299,189 km (0.037 R)
• M17: 12,655,082 km (0.075 R)
• M18: 14,737,185 km (0.081 R)
• M19: 15,342,458 km (0.055 R)
• M20: 16,746,734 km (0.118 R)
• M21: 17,184,158 km (0.1 R)
• M22: 23,495,842 km (0.109 R)
• M23: 25,261,695 km (0.092 R)
• M24: 28,329,798 km (0.119 R)
• M25: 36,517,738 km (0.087 R)
• M26: 39,520,017 km (0.087 R)
• M27: 43,773,833 km (0.039 R)
• M28: 48,617,214 km (0.119 R)
• M29: 50,408,648 km (0.095 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 16,921 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit